Sieve Bend

Overview

MEP offer a wide range of Sieve Bends for use in many processes and industries, they are used in high capacity, wet screening applications for the purpose of the classification and dewatering of different forms of mineral. Our Static Sieve Bends are the result of sixty years experience in supplying complete plants and systems.

Our Static Sieve Bends are supplied complete with feed boxes, profile wire decks, wear surfaces and flow diverters.

Our products are manufactured using high quality mild steel and can be supplied with, if required, galvanised support frames with a range of abrasion resistant linings to suit the application or customer preference.

Standard Sieve Bend units are 1.0m to 3.0m widths in 0.5m increments. 

General Principles

As a rudimentary check the material that passes the screen surface is approximately half the size of the slot aperture. The shape of the particle, the volume of undersize and the amount of near size material that passes over the screen determines the separations size, as well as the volume that passes through the screen.

A sieve bend is more efficient than a flat sieve screen as the curved induces centrifugal forces which force the slurry onto the screen surface.

In dewatering and in the classification of particles <0.25mm requires a lower percentage of solids concentration. The dewatering ability on the screen is determined by the percentage of open area.

Sieve Bends have the capability to provide up to a 50% increase in open area because of the narrower wire profiles.

Feed boxes are designed to reduce the kinetic energy in the feed slurry before cascading onto the screens surface.

 

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